Electroosmotic dewatering of tomato paste suspension under AC electric field

Laboratory tests have demonstrated electroosmosis under an alternate current (AC) to be effective for dewatering tomato paste suspension. Application of an alternate current (AC) field provided more promising results than those of direct current (DC) electrical field. The results show that the electroosmotic dewatering is influenced by the wave form (sine, rectangular, triangular). The decrease in the wave frequency resulted in an increase in the dewatering rate, whereas increasing the initial bed height increased the dewatering rate.